Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Daily Overview |
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Thematic Session: Sensing air quality: information, experience, and implications for workplace productivity (Streaming) Location: B134 Session Chair: Ludovica Gazze, University of Warwick | |
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Making the Invisible Visible: The Impact of Revealing Indoor Air Pollution on Behavior and Welfare 1: LSE, United Kingdom; 2: Columbia University, US Exposure to ambient air pollution harms health and productivity and has motivated many mitigation policies. However, as people spend 90% of their time indoors, it is essential to understand exposure to Indoor Air Pollution (IAP) and, if high, ways to reduce it. We design and implement a field experiment in London that monitors households’ IAP and randomly reveals their IAP in real time. At baseline, IAP exceeds ambient pollution when residents are home and is above WHO standards 38% of the time. We also find a steep household income-IAP gradient—larger than the income- ambient pollution gradient. During the experiment, real-time feedback reduces IAP by 17% (1.9 μg/m3) overall and 34% (5 μg/m3) during occupancy. The mechanism is behavioral: households increase natural ventilation (e.g., opening windows and doors) in response to feedback. In terms of welfare, we find: (i) a willingness to pay of £4.8 ($6) per 1 μg/m3 reduction in indoor PM2.5; (ii) higher willingness to pay for mitigation than for full information; (iii) a price elasticity of demand for IAP monitors around -0.75; and (iv) that a subsidy for an IAP monitor or air purifier yields an infinite marginal value of public funds - a Pareto improvement | |